Geraldton woman Kaitlyn Dalgety, 22, has gone missing.
Geraldton Police said she was last seen on a bus from Geraldton to Perth on Saturday, June 22.
She did not arrive at her destination and has not contacted family or friends since.
Authorities say Ms Dalgety knows people in both WA and Victoria.
Anyone with information is asked to call Crime Stoppers 1800 333 000.